Challenger Bordeaux 04/29 11:00 24 [387] Andrea Pellegrino v Jan Choinski [285] Retired
Challenger Murcia 04/10 09:00 25 [280] Jan Choinski v Mikael Ymer [200] 2-6,4-6
Challenger Murcia 04/09 09:00 24 [111] David Vega Hernandez v Jan Choinski [280] 3-6,3-6
Challenger Lille 03/22 13:45 27 [265] Jan Choinski v Yannick Maden [108] 3-6,3-6
Challenger Lille 03/21 10:50 26 Rayane Roumane v Jan Choinski 6-4,4-6,6-7
Challenger Lille 03/19 10:20 25 [265] Jan Choinski v Yannick Hanfmann [160] 6-0,6-4
Challenger Lille 03/18 12:45 24 [265] Jan Choinski v Filip Horansky [195] 6-4,6-4
Challenger Pau 02/28 14:05 26 [153] Alexander Bublik v Jan Choinski [272] 6-4,6-2
Challenger Pau 02/26 20:35 25 [272] Jan Choinski v Adam Pavlasek [223] 6-4,7-5
Challenger Pau 02/25 11:00 24 [272] Jan Choinski v Sergio Gutierrez-Ferrol [216] 7-5,2-6,6-3
Challenger Bergamo 02/22 10:00 27 [250] Roberto Marcora v Jan Choinski [284] 7-6,6-3
Challenger Bergamo 02/21 09:30 26 [197] Jay Clarke v Jan Choinski [284] 5-7,6-1,1-6
Challenger Bergamo 02/19 18:40 25 Jan Choinski v Federico Arnaboldi 6-3,6-1
Challenger Bergamo 02/19 16:40 25 Jan Choinski v Stefano Travaglia Cancelled
Challenger Bergamo 02/18 15:10 24 [258] Benjamin Bonzi v Jan Choinski [284] Retired
Challenger Dallas 02/05 21:45 25 [98] Reilly Opelka v Jan Choinski [286] 4-6,6-3,6-4
Challenger Dallas 02/05 03:25 24 Jan Choinski v Evan Zhu 6-4,6-4
Challenger Cleveland 01/29 23:35 25 [289] Jan Choinski v Dustin Brown [233] 6-7,6-1,6-7
Challenger Cleveland 01/28 21:25 24 [391] Tom Jomby v Jan Choinski [289] Retired
Challenger Newport Beach 01/22 00:00 24 [242] Christian Harrison v Jan Choinski [280] 6-2,6-7,6-4
Challenger Columbus 01/11 21:35 27 [291] Jan Choinski v Jeffrey John Wolf [366] 2-6,1-6
Challenger Columbus 01/10 22:25 26 [291] Jan Choinski v Laurynas Grigelis [283] 7-6,4-6,6-2
Challenger Columbus 01/08 17:30 25 [264] Benjamin Bonzi v Jan Choinski [291] 3-6,3-6
Challenger Columbus 01/07 16:30 24 [291] Jan Choinski v Alejandro Gonzalez [319] 6-2,6-3
Challenger Orlando 12/31 21:25 24 Sam Riffice v Jan Choinski 6-1,2-6,6-3
Challenger Knoxville 11/04 15:00 45 Jan Choinski v Ryan Shane 6-3,1-6,6-7
Challenger Charlottesville 10/28 17:15 46 Jan Choinski v Nuno Borges 3-6,6-1,3-6
Challenger Charlottesville 10/27 21:45 45 Jan Choinski v Ryan Shane 4-6,6-2,7-6
Challenger Las Vegas 10/23 22:45 25 [271] Jan Choinski v Roberto O-Olmedo [315] 3-6,4-6
Challenger Las Vegas 10/23 17:00 25 Jan Choinski v Ernesto Escobedo Cancelled

Wikipedia - Jan Choinski

Jan Choinski (Polish: Choiński; born 10 June 1996 in Germany) is a Polish-German-British tennis player. Choinski has a career high ATP singles ranking of world No. 126, achieved on 21 August 2023. He represented Germany from the beginning of his career until the end of 2018 and then switched to Great Britain.